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Finding the Third Proportional to 39,152,987 and 58,702,311

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Solution

The third proportional to 39,152,987 and 58,702,311 is: 88,012,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152,987 : 58,702,311 = 58,702,311 : x
  2. Step 2: Convert to fraction form
    39,152,987/58,702,311 = 58,702,311/x
  3. Step 3: Cross multiply
    39,152,987x = 58,702,311 × 58,702,311
  4. Step 4: Simplify right side
    39,152,987x = 3,445,961,316,740,721
  5. Step 5: Solve for x
    x = 3,445,961,316,740,721/39,152,987
  6. Step 6: Final answer
    x = 88,012,731.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.