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Finding the Third Proportional to 878,688 and 1,903,905

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Solution

The third proportional to 878,688 and 1,903,905 is: 4,125,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,688 : 1,903,905 = 1,903,905 : x
  2. Step 2: Convert to fraction form
    878,688/1,903,905 = 1,903,905/x
  3. Step 3: Cross multiply
    878,688x = 1,903,905 × 1,903,905
  4. Step 4: Simplify right side
    878,688x = 3,624,854,249,025
  5. Step 5: Solve for x
    x = 3,624,854,249,025/878,688
  6. Step 6: Final answer
    x = 4,125,303.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.