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Finding the Third Proportional to 908,430 and 1,971,403.50

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Solution

The third proportional to 908,430 and 1,971,403.50 is: 4,278,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,430 : 1,971,403.50 = 1,971,403.50 : x
  2. Step 2: Convert to fraction form
    908,430/1,971,403.50 = 1,971,403.50/x
  3. Step 3: Cross multiply
    908,430x = 1,971,403.50 × 1,971,403.50
  4. Step 4: Simplify right side
    908,430x = 3,886,431,759,812.25
  5. Step 5: Solve for x
    x = 3,886,431,759,812.25/908,430
  6. Step 6: Final answer
    x = 4,278,185.18

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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.