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Finding the Third Proportional to 372,013,712 and 612,559,488

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Solution

The third proportional to 372,013,712 and 612,559,488 is: 1,008,643,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,013,712 : 612,559,488 = 612,559,488 : x
  2. Step 2: Convert to fraction form
    372,013,712/612,559,488 = 612,559,488/x
  3. Step 3: Cross multiply
    372,013,712x = 612,559,488 × 612,559,488
  4. Step 4: Simplify right side
    372,013,712x = 375,229,126,338,822,144
  5. Step 5: Solve for x
    x = 375,229,126,338,822,144/372,013,712
  6. Step 6: Final answer
    x = 1,008,643,268.34

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.