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Finding the Third Proportional to 425,725,090 and 919,574,852

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Solution

The third proportional to 425,725,090 and 919,574,852 is: 1,986,300,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,725,090 : 919,574,852 = 919,574,852 : x
  2. Step 2: Convert to fraction form
    425,725,090/919,574,852 = 919,574,852/x
  3. Step 3: Cross multiply
    425,725,090x = 919,574,852 × 919,574,852
  4. Step 4: Simplify right side
    425,725,090x = 845,617,908,430,821,888
  5. Step 5: Solve for x
    x = 845,617,908,430,821,888/425,725,090
  6. Step 6: Final answer
    x = 1,986,300,380.91

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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.