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Finding the Third Proportional to 19,537,292 and 28,720,686

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Solution

The third proportional to 19,537,292 and 28,720,686 is: 42,220,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537,292 : 28,720,686 = 28,720,686 : x
  2. Step 2: Convert to fraction form
    19,537,292/28,720,686 = 28,720,686/x
  3. Step 3: Cross multiply
    19,537,292x = 28,720,686 × 28,720,686
  4. Step 4: Simplify right side
    19,537,292x = 824,877,804,310,596
  5. Step 5: Solve for x
    x = 824,877,804,310,596/19,537,292
  6. Step 6: Final answer
    x = 42,220,682.60

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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.