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Finding the Third Proportional to 39,142,688 and 60,459,312

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Solution

The third proportional to 39,142,688 and 60,459,312 is: 93,384,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,688 : 60,459,312 = 60,459,312 : x
  2. Step 2: Convert to fraction form
    39,142,688/60,459,312 = 60,459,312/x
  3. Step 3: Cross multiply
    39,142,688x = 60,459,312 × 60,459,312
  4. Step 4: Simplify right side
    39,142,688x = 3,655,328,407,513,344
  5. Step 5: Solve for x
    x = 3,655,328,407,513,344/39,142,688
  6. Step 6: Final answer
    x = 93,384,705.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.