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Finding the Third Proportional to 134,814,664 and 290,455,238

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Solution

The third proportional to 134,814,664 and 290,455,238 is: 625,779,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814,664 : 290,455,238 = 290,455,238 : x
  2. Step 2: Convert to fraction form
    134,814,664/290,455,238 = 290,455,238/x
  3. Step 3: Cross multiply
    134,814,664x = 290,455,238 × 290,455,238
  4. Step 4: Simplify right side
    134,814,664x = 84,364,245,281,636,640
  5. Step 5: Solve for x
    x = 84,364,245,281,636,640/134,814,664
  6. Step 6: Final answer
    x = 625,779,442.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.