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Finding the Third Proportional to 40,247,970 and 62,763,437

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Solution

The third proportional to 40,247,970 and 62,763,437 is: 97,874,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247,970 : 62,763,437 = 62,763,437 : x
  2. Step 2: Convert to fraction form
    40,247,970/62,763,437 = 62,763,437/x
  3. Step 3: Cross multiply
    40,247,970x = 62,763,437 × 62,763,437
  4. Step 4: Simplify right side
    40,247,970x = 3,939,249,024,052,969
  5. Step 5: Solve for x
    x = 3,939,249,024,052,969/40,247,970
  6. Step 6: Final answer
    x = 97,874,477.25

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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.