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Finding the Third Proportional to 556,316 and 1,201,328

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Solution

The third proportional to 556,316 and 1,201,328 is: 2,594,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,316 : 1,201,328 = 1,201,328 : x
  2. Step 2: Convert to fraction form
    556,316/1,201,328 = 1,201,328/x
  3. Step 3: Cross multiply
    556,316x = 1,201,328 × 1,201,328
  4. Step 4: Simplify right side
    556,316x = 1,443,188,963,584
  5. Step 5: Solve for x
    x = 1,443,188,963,584/556,316
  6. Step 6: Final answer
    x = 2,594,189.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.