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Finding the Third Proportional to 163,514,511 and 358,809,687

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Solution

The third proportional to 163,514,511 and 358,809,687 is: 787,357,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,514,511 : 358,809,687 = 358,809,687 : x
  2. Step 2: Convert to fraction form
    163,514,511/358,809,687 = 358,809,687/x
  3. Step 3: Cross multiply
    163,514,511x = 358,809,687 × 358,809,687
  4. Step 4: Simplify right side
    163,514,511x = 128,744,391,485,037,968
  5. Step 5: Solve for x
    x = 128,744,391,485,037,968/163,514,511
  6. Step 6: Final answer
    x = 787,357,591.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.