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Finding the Third Proportional to 877,309,722 and 1,926,816,210

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Solution

The third proportional to 877,309,722 and 1,926,816,210 is: 4,231,824,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,309,722 : 1,926,816,210 = 1,926,816,210 : x
  2. Step 2: Convert to fraction form
    877,309,722/1,926,816,210 = 1,926,816,210/x
  3. Step 3: Cross multiply
    877,309,722x = 1,926,816,210 × 1,926,816,210
  4. Step 4: Simplify right side
    877,309,722x = 3,712,620,707,118,764,032
  5. Step 5: Solve for x
    x = 3,712,620,707,118,764,032/877,309,722
  6. Step 6: Final answer
    x = 4,231,824,421.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.