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Finding the Third Proportional to 779,070 and 1,217,812.50

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Solution

The third proportional to 779,070 and 1,217,812.50 is: 1,903,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,070 : 1,217,812.50 = 1,217,812.50 : x
  2. Step 2: Convert to fraction form
    779,070/1,217,812.50 = 1,217,812.50/x
  3. Step 3: Cross multiply
    779,070x = 1,217,812.50 × 1,217,812.50
  4. Step 4: Simplify right side
    779,070x = 1,483,067,285,156.25
  5. Step 5: Solve for x
    x = 1,483,067,285,156.25/779,070
  6. Step 6: Final answer
    x = 1,903,638.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.