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Finding the Third Proportional to 4,287,117,516 and 8,926,548,630

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Solution

The third proportional to 4,287,117,516 and 8,926,548,630 is: 18,586,677,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,117,516 : 8,926,548,630 = 8,926,548,630 : x
  2. Step 2: Convert to fraction form
    4,287,117,516/8,926,548,630 = 8,926,548,630/x
  3. Step 3: Cross multiply
    4,287,117,516x = 8,926,548,630 × 8,926,548,630
  4. Step 4: Simplify right side
    4,287,117,516x = 79,683,270,443,754,881,024
  5. Step 5: Solve for x
    x = 79,683,270,443,754,881,024/4,287,117,516
  6. Step 6: Final answer
    x = 18,586,677,446.18

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.