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Finding the Third Proportional to 201,397,730 and 310,993,316

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Solution

The third proportional to 201,397,730 and 310,993,316 is: 480,228,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,730 : 310,993,316 = 310,993,316 : x
  2. Step 2: Convert to fraction form
    201,397,730/310,993,316 = 310,993,316/x
  3. Step 3: Cross multiply
    201,397,730x = 310,993,316 × 310,993,316
  4. Step 4: Simplify right side
    201,397,730x = 96,716,842,596,675,856
  5. Step 5: Solve for x
    x = 96,716,842,596,675,856/201,397,730
  6. Step 6: Final answer
    x = 480,228,067.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.