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Finding the Third Proportional to 931,220 and 2,045,332

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Solution

The third proportional to 931,220 and 2,045,332 is: 4,492,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,220 : 2,045,332 = 2,045,332 : x
  2. Step 2: Convert to fraction form
    931,220/2,045,332 = 2,045,332/x
  3. Step 3: Cross multiply
    931,220x = 2,045,332 × 2,045,332
  4. Step 4: Simplify right side
    931,220x = 4,183,382,990,224
  5. Step 5: Solve for x
    x = 4,183,382,990,224/931,220
  6. Step 6: Final answer
    x = 4,492,368.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.