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Finding the Third Proportional to 29,315,709 and 64,412,739

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Solution

The third proportional to 29,315,709 and 64,412,739 is: 141,528,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315,709 : 64,412,739 = 64,412,739 : x
  2. Step 2: Convert to fraction form
    29,315,709/64,412,739 = 64,412,739/x
  3. Step 3: Cross multiply
    29,315,709x = 64,412,739 × 64,412,739
  4. Step 4: Simplify right side
    29,315,709x = 4,149,000,945,482,121
  5. Step 5: Solve for x
    x = 4,149,000,945,482,121/29,315,709
  6. Step 6: Final answer
    x = 141,528,248.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.