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Finding the Third Proportional to 67,993,366 and 145,688,316

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Solution

The third proportional to 67,993,366 and 145,688,316 is: 312,164,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,993,366 : 145,688,316 = 145,688,316 : x
  2. Step 2: Convert to fraction form
    67,993,366/145,688,316 = 145,688,316/x
  3. Step 3: Cross multiply
    67,993,366x = 145,688,316 × 145,688,316
  4. Step 4: Simplify right side
    67,993,366x = 21,225,085,418,915,856
  5. Step 5: Solve for x
    x = 21,225,085,418,915,856/67,993,366
  6. Step 6: Final answer
    x = 312,164,063.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.