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Finding the Third Proportional to 988,565,812.50 and 2,130,226,665

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Solution

The third proportional to 988,565,812.50 and 2,130,226,665 is: 4,590,352,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,565,812.50 : 2,130,226,665 = 2,130,226,665 : x
  2. Step 2: Convert to fraction form
    988,565,812.50/2,130,226,665 = 2,130,226,665/x
  3. Step 3: Cross multiply
    988,565,812.50x = 2,130,226,665 × 2,130,226,665
  4. Step 4: Simplify right side
    988,565,812.50x = 4,537,865,644,277,022,208
  5. Step 5: Solve for x
    x = 4,537,865,644,277,022,208/988,565,812.50
  6. Step 6: Final answer
    x = 4,590,352,596.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.