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Finding the Third Proportional to 103,968,792 and 161,639,280

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Solution

The third proportional to 103,968,792 and 161,639,280 is: 251,299,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968,792 : 161,639,280 = 161,639,280 : x
  2. Step 2: Convert to fraction form
    103,968,792/161,639,280 = 161,639,280/x
  3. Step 3: Cross multiply
    103,968,792x = 161,639,280 × 161,639,280
  4. Step 4: Simplify right side
    103,968,792x = 26,127,256,838,918,400
  5. Step 5: Solve for x
    x = 26,127,256,838,918,400/103,968,792
  6. Step 6: Final answer
    x = 251,299,032.49

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.