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Finding the Third Proportional to 200,957,473.13 and 435,307,857.75

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Solution

The third proportional to 200,957,473.13 and 435,307,857.75 is: 942,950,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,957,473.13 : 435,307,857.75 = 435,307,857.75 : x
  2. Step 2: Convert to fraction form
    200,957,473.13/435,307,857.75 = 435,307,857.75/x
  3. Step 3: Cross multiply
    200,957,473.13x = 435,307,857.75 × 435,307,857.75
  4. Step 4: Simplify right side
    200,957,473.13x = 189,492,931,018,894,240
  5. Step 5: Solve for x
    x = 189,492,931,018,894,240/200,957,473.13
  6. Step 6: Final answer
    x = 942,950,406.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.