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Finding the Third Proportional to 620,006 and 877,550

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Solution

The third proportional to 620,006 and 877,550 is: 1,242,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,006 : 877,550 = 877,550 : x
  2. Step 2: Convert to fraction form
    620,006/877,550 = 877,550/x
  3. Step 3: Cross multiply
    620,006x = 877,550 × 877,550
  4. Step 4: Simplify right side
    620,006x = 770,094,002,500
  5. Step 5: Solve for x
    x = 770,094,002,500/620,006
  6. Step 6: Final answer
    x = 1,242,075.08

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.