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Finding the Third Proportional to 210,958,300.13 and 454,318,038

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Solution

The third proportional to 210,958,300.13 and 454,318,038 is: 978,415,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,958,300.13 : 454,318,038 = 454,318,038 : x
  2. Step 2: Convert to fraction form
    210,958,300.13/454,318,038 = 454,318,038/x
  3. Step 3: Cross multiply
    210,958,300.13x = 454,318,038 × 454,318,038
  4. Step 4: Simplify right side
    210,958,300.13x = 206,404,879,652,169,440
  5. Step 5: Solve for x
    x = 206,404,879,652,169,440/210,958,300.13
  6. Step 6: Final answer
    x = 978,415,542.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.