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Finding the Third Proportional to 20,572,506 and 28,020,714

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Solution

The third proportional to 20,572,506 and 28,020,714 is: 38,165,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,506 : 28,020,714 = 28,020,714 : x
  2. Step 2: Convert to fraction form
    20,572,506/28,020,714 = 28,020,714/x
  3. Step 3: Cross multiply
    20,572,506x = 28,020,714 × 28,020,714
  4. Step 4: Simplify right side
    20,572,506x = 785,160,413,069,796
  5. Step 5: Solve for x
    x = 785,160,413,069,796/20,572,506
  6. Step 6: Final answer
    x = 38,165,521.16

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.