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Finding the Third Proportional to 208,562,783.63 and 315,528,444

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Solution

The third proportional to 208,562,783.63 and 315,528,444 is: 477,353,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,562,783.63 : 315,528,444 = 315,528,444 : x
  2. Step 2: Convert to fraction form
    208,562,783.63/315,528,444 = 315,528,444/x
  3. Step 3: Cross multiply
    208,562,783.63x = 315,528,444 × 315,528,444
  4. Step 4: Simplify right side
    208,562,783.63x = 99,558,198,973,061,136
  5. Step 5: Solve for x
    x = 99,558,198,973,061,136/208,562,783.63
  6. Step 6: Final answer
    x = 477,353,616.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.