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Finding the Third Proportional to 255,547,219.50 and 555,868,651.50

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Solution

The third proportional to 255,547,219.50 and 555,868,651.50 is: 1,209,130,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,547,219.50 : 555,868,651.50 = 555,868,651.50 : x
  2. Step 2: Convert to fraction form
    255,547,219.50/555,868,651.50 = 555,868,651.50/x
  3. Step 3: Cross multiply
    255,547,219.50x = 555,868,651.50 × 555,868,651.50
  4. Step 4: Simplify right side
    255,547,219.50x = 308,989,957,720,428,480
  5. Step 5: Solve for x
    x = 308,989,957,720,428,480/255,547,219.50
  6. Step 6: Final answer
    x = 1,209,130,579.96

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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.