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Finding the Third Proportional to 603,423 and 1,256,902.50

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Solution

The third proportional to 603,423 and 1,256,902.50 is: 2,618,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,423 : 1,256,902.50 = 1,256,902.50 : x
  2. Step 2: Convert to fraction form
    603,423/1,256,902.50 = 1,256,902.50/x
  3. Step 3: Cross multiply
    603,423x = 1,256,902.50 × 1,256,902.50
  4. Step 4: Simplify right side
    603,423x = 1,579,803,894,506.25
  5. Step 5: Solve for x
    x = 1,579,803,894,506.25/603,423
  6. Step 6: Final answer
    x = 2,618,070.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.