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Finding the Third Proportional to 808,656,815 and 1,155,589,324

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Solution

The third proportional to 808,656,815 and 1,155,589,324 is: 1,651,363,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,656,815 : 1,155,589,324 = 1,155,589,324 : x
  2. Step 2: Convert to fraction form
    808,656,815/1,155,589,324 = 1,155,589,324/x
  3. Step 3: Cross multiply
    808,656,815x = 1,155,589,324 × 1,155,589,324
  4. Step 4: Simplify right side
    808,656,815x = 1,335,386,685,742,777,088
  5. Step 5: Solve for x
    x = 1,335,386,685,742,777,088/808,656,815
  6. Step 6: Final answer
    x = 1,651,363,917.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.