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Finding the Third Proportional to 15,816,428 and 34,532,440

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Solution

The third proportional to 15,816,428 and 34,532,440 is: 75,395,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,428 : 34,532,440 = 34,532,440 : x
  2. Step 2: Convert to fraction form
    15,816,428/34,532,440 = 34,532,440/x
  3. Step 3: Cross multiply
    15,816,428x = 34,532,440 × 34,532,440
  4. Step 4: Simplify right side
    15,816,428x = 1,192,489,412,353,600
  5. Step 5: Solve for x
    x = 1,192,489,412,353,600/15,816,428
  6. Step 6: Final answer
    x = 75,395,621.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.