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Finding the Third Proportional to 15,438,080 and 32,872,890

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Solution

The third proportional to 15,438,080 and 32,872,890 is: 69,997,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,080 : 32,872,890 = 32,872,890 : x
  2. Step 2: Convert to fraction form
    15,438,080/32,872,890 = 32,872,890/x
  3. Step 3: Cross multiply
    15,438,080x = 32,872,890 × 32,872,890
  4. Step 4: Simplify right side
    15,438,080x = 1,080,626,896,952,100
  5. Step 5: Solve for x
    x = 1,080,626,896,952,100/15,438,080
  6. Step 6: Final answer
    x = 69,997,493.01

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.