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Finding the Third Proportional to 63,862,640.16 and 139,815,555.47

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Solution

The third proportional to 63,862,640.16 and 139,815,555.47 is: 306,100,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,862,640.16 : 139,815,555.47 = 139,815,555.47 : x
  2. Step 2: Convert to fraction form
    63,862,640.16/139,815,555.47 = 139,815,555.47/x
  3. Step 3: Cross multiply
    63,862,640.16x = 139,815,555.47 × 139,815,555.47
  4. Step 4: Simplify right side
    63,862,640.16x = 19,548,389,551,035,108
  5. Step 5: Solve for x
    x = 19,548,389,551,035,108/63,862,640.16
  6. Step 6: Final answer
    x = 306,100,554.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.