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Finding the Third Proportional to 20,518,020 and 32,019,246

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Solution

The third proportional to 20,518,020 and 32,019,246 is: 49,967,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,020 : 32,019,246 = 32,019,246 : x
  2. Step 2: Convert to fraction form
    20,518,020/32,019,246 = 32,019,246/x
  3. Step 3: Cross multiply
    20,518,020x = 32,019,246 × 32,019,246
  4. Step 4: Simplify right side
    20,518,020x = 1,025,232,114,408,516
  5. Step 5: Solve for x
    x = 1,025,232,114,408,516/20,518,020
  6. Step 6: Final answer
    x = 49,967,400.09

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.