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Finding the Third Proportional to 20,478,730 and 43,996,560

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Solution

The third proportional to 20,478,730 and 43,996,560 is: 94,522,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,730 : 43,996,560 = 43,996,560 : x
  2. Step 2: Convert to fraction form
    20,478,730/43,996,560 = 43,996,560/x
  3. Step 3: Cross multiply
    20,478,730x = 43,996,560 × 43,996,560
  4. Step 4: Simplify right side
    20,478,730x = 1,935,697,291,833,600
  5. Step 5: Solve for x
    x = 1,935,697,291,833,600/20,478,730
  6. Step 6: Final answer
    x = 94,522,330.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.