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Finding the Third Proportional to 42,170,276 and 63,704,721

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Solution

The third proportional to 42,170,276 and 63,704,721 is: 96,235,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,276 : 63,704,721 = 63,704,721 : x
  2. Step 2: Convert to fraction form
    42,170,276/63,704,721 = 63,704,721/x
  3. Step 3: Cross multiply
    42,170,276x = 63,704,721 × 63,704,721
  4. Step 4: Simplify right side
    42,170,276x = 4,058,291,477,687,841
  5. Step 5: Solve for x
    x = 4,058,291,477,687,841/42,170,276
  6. Step 6: Final answer
    x = 96,235,829.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.