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Finding the Third Proportional to 77,307,624 and 165,681,603

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Solution

The third proportional to 77,307,624 and 165,681,603 is: 355,080,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307,624 : 165,681,603 = 165,681,603 : x
  2. Step 2: Convert to fraction form
    77,307,624/165,681,603 = 165,681,603/x
  3. Step 3: Cross multiply
    77,307,624x = 165,681,603 × 165,681,603
  4. Step 4: Simplify right side
    77,307,624x = 27,450,393,572,649,608
  5. Step 5: Solve for x
    x = 27,450,393,572,649,608/77,307,624
  6. Step 6: Final answer
    x = 355,080,031.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.