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Finding the Third Proportional to 28,431,580 and 61,402,292

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Solution

The third proportional to 28,431,580 and 61,402,292 is: 132,607,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,580 : 61,402,292 = 61,402,292 : x
  2. Step 2: Convert to fraction form
    28,431,580/61,402,292 = 61,402,292/x
  3. Step 3: Cross multiply
    28,431,580x = 61,402,292 × 61,402,292
  4. Step 4: Simplify right side
    28,431,580x = 3,770,241,462,853,264
  5. Step 5: Solve for x
    x = 3,770,241,462,853,264/28,431,580
  6. Step 6: Final answer
    x = 132,607,525.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.