Home / 639,214,989,128.25-1,390,957,594,532.20

Finding the Third Proportional to 639,214,989,128.25 and 1,390,957,594,532.20

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Solution

The third proportional to 639,214,989,128.25 and 1,390,957,594,532.20 is: 3,026,779,820,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,214,989,128.25 : 1,390,957,594,532.20 = 1,390,957,594,532.20 : x
  2. Step 2: Convert to fraction form
    639,214,989,128.25/1,390,957,594,532.20 = 1,390,957,594,532.20/x
  3. Step 3: Cross multiply
    639,214,989,128.25x = 1,390,957,594,532.20 × 1,390,957,594,532.20
  4. Step 4: Simplify right side
    639,214,989,128.25x = 1,934,763,029,786,803,946,127,360
  5. Step 5: Solve for x
    x = 1,934,763,029,786,803,946,127,360/639,214,989,128.25
  6. Step 6: Final answer
    x = 3,026,779,820,081.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.