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Finding the Third Proportional to 589,773,989 and 915,736,551

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Solution

The third proportional to 589,773,989 and 915,736,551 is: 1,421,855,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,773,989 : 915,736,551 = 915,736,551 : x
  2. Step 2: Convert to fraction form
    589,773,989/915,736,551 = 915,736,551/x
  3. Step 3: Cross multiply
    589,773,989x = 915,736,551 × 915,736,551
  4. Step 4: Simplify right side
    589,773,989x = 838,573,430,837,375,616
  5. Step 5: Solve for x
    x = 838,573,430,837,375,616/589,773,989
  6. Step 6: Final answer
    x = 1,421,855,569.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.