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Finding the Third Proportional to 147,329,246 and 320,815,356

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Solution

The third proportional to 147,329,246 and 320,815,356 is: 698,588,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,329,246 : 320,815,356 = 320,815,356 : x
  2. Step 2: Convert to fraction form
    147,329,246/320,815,356 = 320,815,356/x
  3. Step 3: Cross multiply
    147,329,246x = 320,815,356 × 320,815,356
  4. Step 4: Simplify right side
    147,329,246x = 102,922,492,645,406,736
  5. Step 5: Solve for x
    x = 102,922,492,645,406,736/147,329,246
  6. Step 6: Final answer
    x = 698,588,334.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.