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Finding the Third Proportional to 4,538,964 and 9,834,396

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Solution

The third proportional to 4,538,964 and 9,834,396 is: 21,307,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538,964 : 9,834,396 = 9,834,396 : x
  2. Step 2: Convert to fraction form
    4,538,964/9,834,396 = 9,834,396/x
  3. Step 3: Cross multiply
    4,538,964x = 9,834,396 × 9,834,396
  4. Step 4: Simplify right side
    4,538,964x = 96,715,344,684,816
  5. Step 5: Solve for x
    x = 96,715,344,684,816/4,538,964
  6. Step 6: Final answer
    x = 21,307,801.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.