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Finding the Third Proportional to 19,537,392 and 28,720,704

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Solution

The third proportional to 19,537,392 and 28,720,704 is: 42,220,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537,392 : 28,720,704 = 28,720,704 : x
  2. Step 2: Convert to fraction form
    19,537,392/28,720,704 = 28,720,704/x
  3. Step 3: Cross multiply
    19,537,392x = 28,720,704 × 28,720,704
  4. Step 4: Simplify right side
    19,537,392x = 824,878,838,255,616
  5. Step 5: Solve for x
    x = 824,878,838,255,616/19,537,392
  6. Step 6: Final answer
    x = 42,220,519.42

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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.