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Finding the Third Proportional to 607,030 and 890,860

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Solution

The third proportional to 607,030 and 890,860 is: 1,307,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,030 : 890,860 = 890,860 : x
  2. Step 2: Convert to fraction form
    607,030/890,860 = 890,860/x
  3. Step 3: Cross multiply
    607,030x = 890,860 × 890,860
  4. Step 4: Simplify right side
    607,030x = 793,631,539,600
  5. Step 5: Solve for x
    x = 793,631,539,600/607,030
  6. Step 6: Final answer
    x = 1,307,400.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.