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Finding the Third Proportional to 781,256,296.50 and 1,669,957,107

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Solution

The third proportional to 781,256,296.50 and 1,669,957,107 is: 3,569,579,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,256,296.50 : 1,669,957,107 = 1,669,957,107 : x
  2. Step 2: Convert to fraction form
    781,256,296.50/1,669,957,107 = 1,669,957,107/x
  3. Step 3: Cross multiply
    781,256,296.50x = 1,669,957,107 × 1,669,957,107
  4. Step 4: Simplify right side
    781,256,296.50x = 2,788,756,739,219,809,280
  5. Step 5: Solve for x
    x = 2,788,756,739,219,809,280/781,256,296.50
  6. Step 6: Final answer
    x = 3,569,579,857.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.