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Finding the Third Proportional to 384,829,768.50 and 840,198,988.50

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Solution

The third proportional to 384,829,768.50 and 840,198,988.50 is: 1,834,406,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,829,768.50 : 840,198,988.50 = 840,198,988.50 : x
  2. Step 2: Convert to fraction form
    384,829,768.50/840,198,988.50 = 840,198,988.50/x
  3. Step 3: Cross multiply
    384,829,768.50x = 840,198,988.50 × 840,198,988.50
  4. Step 4: Simplify right side
    384,829,768.50x = 705,934,340,276,423,168
  5. Step 5: Solve for x
    x = 705,934,340,276,423,168/384,829,768.50
  6. Step 6: Final answer
    x = 1,834,406,789.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.