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Finding the Third Proportional to 40,247,987 and 62,763,461.75

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Solution

The third proportional to 40,247,987 and 62,763,461.75 is: 97,874,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247,987 : 62,763,461.75 = 62,763,461.75 : x
  2. Step 2: Convert to fraction form
    40,247,987/62,763,461.75 = 62,763,461.75/x
  3. Step 3: Cross multiply
    40,247,987x = 62,763,461.75 × 62,763,461.75
  4. Step 4: Simplify right side
    40,247,987x = 3,939,252,130,843,713
  5. Step 5: Solve for x
    x = 3,939,252,130,843,713/40,247,987
  6. Step 6: Final answer
    x = 97,874,513.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.