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Finding the Third Proportional to 28,431,570 and 61,402,272

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Solution

The third proportional to 28,431,570 and 61,402,272 is: 132,607,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,570 : 61,402,272 = 61,402,272 : x
  2. Step 2: Convert to fraction form
    28,431,570/61,402,272 = 61,402,272/x
  3. Step 3: Cross multiply
    28,431,570x = 61,402,272 × 61,402,272
  4. Step 4: Simplify right side
    28,431,570x = 3,770,239,006,761,984
  5. Step 5: Solve for x
    x = 3,770,239,006,761,984/28,431,570
  6. Step 6: Final answer
    x = 132,607,485.51

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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.