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Finding the Third Proportional to 62,946,280 and 135,458,508

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Solution

The third proportional to 62,946,280 and 135,458,508 is: 291,502,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,946,280 : 135,458,508 = 135,458,508 : x
  2. Step 2: Convert to fraction form
    62,946,280/135,458,508 = 135,458,508/x
  3. Step 3: Cross multiply
    62,946,280x = 135,458,508 × 135,458,508
  4. Step 4: Simplify right side
    62,946,280x = 18,349,007,389,586,064
  5. Step 5: Solve for x
    x = 18,349,007,389,586,064/62,946,280
  6. Step 6: Final answer
    x = 291,502,649.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.