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Finding the Third Proportional to 62,946,270 and 135,458,490

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Solution

The third proportional to 62,946,270 and 135,458,490 is: 291,502,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,946,270 : 135,458,490 = 135,458,490 : x
  2. Step 2: Convert to fraction form
    62,946,270/135,458,490 = 135,458,490/x
  3. Step 3: Cross multiply
    62,946,270x = 135,458,490 × 135,458,490
  4. Step 4: Simplify right side
    62,946,270x = 18,349,002,513,080,100
  5. Step 5: Solve for x
    x = 18,349,002,513,080,100/62,946,270
  6. Step 6: Final answer
    x = 291,502,618.23

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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.