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Finding the Third Proportional to 15,431,330 and 32,988,532

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Solution

The third proportional to 15,431,330 and 32,988,532 is: 70,521,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,330 : 32,988,532 = 32,988,532 : x
  2. Step 2: Convert to fraction form
    15,431,330/32,988,532 = 32,988,532/x
  3. Step 3: Cross multiply
    15,431,330x = 32,988,532 × 32,988,532
  4. Step 4: Simplify right side
    15,431,330x = 1,088,243,243,515,024
  5. Step 5: Solve for x
    x = 1,088,243,243,515,024/15,431,330
  6. Step 6: Final answer
    x = 70,521,675.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.