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Finding the Third Proportional to 115,046,445 and 155,485,792

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Solution

The third proportional to 115,046,445 and 155,485,792 is: 210,139,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046,445 : 155,485,792 = 155,485,792 : x
  2. Step 2: Convert to fraction form
    115,046,445/155,485,792 = 155,485,792/x
  3. Step 3: Cross multiply
    115,046,445x = 155,485,792 × 155,485,792
  4. Step 4: Simplify right side
    115,046,445x = 24,175,831,513,867,264
  5. Step 5: Solve for x
    x = 24,175,831,513,867,264/115,046,445
  6. Step 6: Final answer
    x = 210,139,752.81

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.