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Finding the Third Proportional to 289,152 and 626,574

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Solution

The third proportional to 289,152 and 626,574 is: 1,357,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,152 : 626,574 = 626,574 : x
  2. Step 2: Convert to fraction form
    289,152/626,574 = 626,574/x
  3. Step 3: Cross multiply
    289,152x = 626,574 × 626,574
  4. Step 4: Simplify right side
    289,152x = 392,594,977,476
  5. Step 5: Solve for x
    x = 392,594,977,476/289,152
  6. Step 6: Final answer
    x = 1,357,746.02

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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.