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Finding the Third Proportional to 375,688,412 and 818,072,656

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Solution

The third proportional to 375,688,412 and 818,072,656 is: 1,781,377,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,688,412 : 818,072,656 = 818,072,656 : x
  2. Step 2: Convert to fraction form
    375,688,412/818,072,656 = 818,072,656/x
  3. Step 3: Cross multiply
    375,688,412x = 818,072,656 × 818,072,656
  4. Step 4: Simplify right side
    375,688,412x = 669,242,870,494,894,336
  5. Step 5: Solve for x
    x = 669,242,870,494,894,336/375,688,412
  6. Step 6: Final answer
    x = 1,781,377,463.66

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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.