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Finding the Third Proportional to 788,806,815 and 1,230,963,126

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Solution

The third proportional to 788,806,815 and 1,230,963,126 is: 1,920,964,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,806,815 : 1,230,963,126 = 1,230,963,126 : x
  2. Step 2: Convert to fraction form
    788,806,815/1,230,963,126 = 1,230,963,126/x
  3. Step 3: Cross multiply
    788,806,815x = 1,230,963,126 × 1,230,963,126
  4. Step 4: Simplify right side
    788,806,815x = 1,515,270,217,571,691,776
  5. Step 5: Solve for x
    x = 1,515,270,217,571,691,776/788,806,815
  6. Step 6: Final answer
    x = 1,920,964,916.58

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.