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Finding the Third Proportional to 28,342,390 and 42,506,187

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Solution

The third proportional to 28,342,390 and 42,506,187 is: 63,748,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,390 : 42,506,187 = 42,506,187 : x
  2. Step 2: Convert to fraction form
    28,342,390/42,506,187 = 42,506,187/x
  3. Step 3: Cross multiply
    28,342,390x = 42,506,187 × 42,506,187
  4. Step 4: Simplify right side
    28,342,390x = 1,806,775,933,278,969
  5. Step 5: Solve for x
    x = 1,806,775,933,278,969/28,342,390
  6. Step 6: Final answer
    x = 63,748,185.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.