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Finding the Third Proportional to 403,748 and 626,950

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Solution

The third proportional to 403,748 and 626,950 is: 973,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,748 : 626,950 = 626,950 : x
  2. Step 2: Convert to fraction form
    403,748/626,950 = 626,950/x
  3. Step 3: Cross multiply
    403,748x = 626,950 × 626,950
  4. Step 4: Simplify right side
    403,748x = 393,066,302,500
  5. Step 5: Solve for x
    x = 393,066,302,500/403,748
  6. Step 6: Final answer
    x = 973,543.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.