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Finding the Third Proportional to 28,406,400 and 62,128,304

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Solution

The third proportional to 28,406,400 and 62,128,304 is: 135,882,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,400 : 62,128,304 = 62,128,304 : x
  2. Step 2: Convert to fraction form
    28,406,400/62,128,304 = 62,128,304/x
  3. Step 3: Cross multiply
    28,406,400x = 62,128,304 × 62,128,304
  4. Step 4: Simplify right side
    28,406,400x = 3,859,926,157,916,416
  5. Step 5: Solve for x
    x = 3,859,926,157,916,416/28,406,400
  6. Step 6: Final answer
    x = 135,882,271.53

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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.