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Finding the Third Proportional to 617,877,309 and 932,561,986.50

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Solution

The third proportional to 617,877,309 and 932,561,986.50 is: 1,407,515,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,877,309 : 932,561,986.50 = 932,561,986.50 : x
  2. Step 2: Convert to fraction form
    617,877,309/932,561,986.50 = 932,561,986.50/x
  3. Step 3: Cross multiply
    617,877,309x = 932,561,986.50 × 932,561,986.50
  4. Step 4: Simplify right side
    617,877,309x = 869,671,858,664,826,240
  5. Step 5: Solve for x
    x = 869,671,858,664,826,240/617,877,309
  6. Step 6: Final answer
    x = 1,407,515,450.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.