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Finding the Third Proportional to 29,443,840 and 64,346,432

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Solution

The third proportional to 29,443,840 and 64,346,432 is: 140,622,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443,840 : 64,346,432 = 64,346,432 : x
  2. Step 2: Convert to fraction form
    29,443,840/64,346,432 = 64,346,432/x
  3. Step 3: Cross multiply
    29,443,840x = 64,346,432 × 64,346,432
  4. Step 4: Simplify right side
    29,443,840x = 4,140,463,311,130,624
  5. Step 5: Solve for x
    x = 4,140,463,311,130,624/29,443,840
  6. Step 6: Final answer
    x = 140,622,395.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.