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Finding the Third Proportional to 164,100 and 358,572

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Solution

The third proportional to 164,100 and 358,572 is: 783,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,100 : 358,572 = 358,572 : x
  2. Step 2: Convert to fraction form
    164,100/358,572 = 358,572/x
  3. Step 3: Cross multiply
    164,100x = 358,572 × 358,572
  4. Step 4: Simplify right side
    164,100x = 128,573,879,184
  5. Step 5: Solve for x
    x = 128,573,879,184/164,100
  6. Step 6: Final answer
    x = 783,509.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.