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Finding the Third Proportional to 30,258 and 46,959

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Solution

The third proportional to 30,258 and 46,959 is: 72,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258 : 46,959 = 46,959 : x
  2. Step 2: Convert to fraction form
    30,258/46,959 = 46,959/x
  3. Step 3: Cross multiply
    30,258x = 46,959 × 46,959
  4. Step 4: Simplify right side
    30,258x = 2,205,147,681
  5. Step 5: Solve for x
    x = 2,205,147,681/30,258
  6. Step 6: Final answer
    x = 72,878.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.