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Finding the Third Proportional to 19,536,720 and 28,719,716

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Solution

The third proportional to 19,536,720 and 28,719,716 is: 42,219,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536,720 : 28,719,716 = 28,719,716 : x
  2. Step 2: Convert to fraction form
    19,536,720/28,719,716 = 28,719,716/x
  3. Step 3: Cross multiply
    19,536,720x = 28,719,716 × 28,719,716
  4. Step 4: Simplify right side
    19,536,720x = 824,822,087,120,656
  5. Step 5: Solve for x
    x = 824,822,087,120,656/19,536,720
  6. Step 6: Final answer
    x = 42,219,066.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.